Medicine News

Eating Green Leafy Vegetables May Reduce Cardiovascular Disease Risk

In the Danish prospective cohort study, Bondonno et al. observed an inverse association between vegetable nitrate intakes, up to 60 mg/day, and hospital admissions for cardiovascular diseases; more specifically, moderate to high nitrate intakes were associated with a lower risk of ischemic heart disease, ischemic stroke, peripheral artery disease, and atrial fibrillation; a higher vegetable nitrate intake was also associated with a lower baseline systolic blood pressure and diastolic pressure; the results suggest that ensuring the consumption of nitrate-rich vegetables, corresponding to one cup of green leafy vegetables, may lower the risk of cardiovascular diseases. Image credit: Ilona F.
May 5, 2021 by Enrico de Lazaro

Consumption of at least  60 mg/day of vegetable nitrate (one cup of green leafy vegetables) can significantly reduce their risk of cardiovascular diseases, according to new research from Edith Cowan University. In the Danish prospective cohort study, Bondonno et al. observed an inverse association between vegetable nitrate intakes, up to 60 mg/day, and hospital admissions for cardiovascular diseases; more specifically, moderate to high nitrate...

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Zhou & Hyppönen observed a positive dose-dependent association between self-reported coffee intake and plasma concentration of low-density-lipoprotein cholesterol, total cholesterol and apolipoprotein B, with the highest lipid levels seen among participants reported drinking over 6 cups/day. Image credit: Ermal Tahiri.

Study: People Naturally Regulate Their Coffee Consumption Based on Cardio Health

Apr 28, 2021 by News Staff

In a study published in March 2021 in the American Journal of Clinical Nutrition, a team of researchers at the University of South Australia found that...

Ba et al. show that mushroom may help guard against cancer. Image credit: Barbro Forsberg.

Mushroom Consumption May Reduce Risk of Cancer

Apr 28, 2021 by News Staff

A team of researchers from the Penn State College of Medicine and the Pennsylvania State University found that people who incorporated any variety of mushrooms...

The study sheds new light on the link between sleep deprivation and obesity. Image credit: Sweet Briar College.

Lack of Sleep in Midlife Associated with Increased Risk of Late-Onset Dementia

Apr 21, 2021 by News Staff

Short sleep duration in midlife is associated with the higher risk of dementia later in life, independently of sociodemographic, behavioral, cardiometabolic,...

Sun et al. examined changes in non-alcoholic fatty liver disease, markers of oxidative stress, antioxidant response and cell damage in high-fat-fed obese mice treated with a diet supplemented with 80 mg cocoa powder per gram of food. Image credit: S. Hermann & F. Richter.

Cocoa Supplementation Mitigates Severity of Fatty Liver Disease in Obese Mice, Study Shows

Apr 19, 2021 by News Staff

Supplementation of cocoa powder, derived from Theobroma cacao, in the diet of high-fat-fed mice with non-alcoholic fatty liver disease reduced the severity...

Black phosphorus is effective at killing microbes when spread in nanothin layers on surfaces like titanium and cotton. Image credit: RMIT University.

Black Phosphorus-Based Coating Has Antimicrobial Activity

Apr 13, 2021 by News Staff

Few-layered black phosphorus is highly antimicrobial toward resistant bacteria and fungal species; it is one of the thinnest antimicrobial coatings developed...

Vanhatalo et al. applied a systems-level bacterial co-occurrence network analysis across 10-day dietary nitrate and placebo interventions to test the stability of relationships between physiological and cognitive traits and clusters of co-occurring oral bacteria in older people. Image credit: Conger Design.

Beetroot Juice Consumption May Help Improve Cardiovascular and Cognitive Health

Apr 7, 2021 by News Staff

Drinking beetroot juice, which is rich in inorganic nitrate, promotes communities of oral bacteria associated with healthier blood vessels and brain function,...

McDermott & Ambrose report in vitro antibacterial activity of compounds present in Baltic amber. Image credit: Edgars Gjacs.

Compounds from Baltic Amber Could Help Fight Drug-Resistant Bacteria

Apr 5, 2021 by News Staff

A team of researchers at the University of Minnesota Twin Cities has pinpointed compounds that help explain Baltic amber’s therapeutic effects and that...

Flavonoid-rich cocoa could reduce fatigue in multiple sclerosis patients. Image credit: Steve Buissinne.

Cocoa Flavanols Could Protect against Mental Stress-Induced Cardiovascular Events

Apr 1, 2021 by News Staff

Blood vessels were able to function better during mental stress when people were given a cocoa drink containing high levels of flavanols than when drinking...

A single bout of exercise may provide a boost to the mind. Image credit: Mabel Amber.

Study: Aerobic Exercise Increases Blood Flow to Brain in Older Adults

Mar 31, 2021 by News Staff

In a new study led by scientists from the University of Texas Southwestern Medical Center, aerobic exercise training reduced central arterial stiffness...

Angiogenesis is a process by which new blood vessels are formed from pre-existing ones. Image credit: Arek Socha.

Electric Stimulation Could Help Speed Up Wound Healing

Mar 11, 2021 by News Staff

A team of scientists at the Ohio State University has found that steady electrical stimulation generates increased permeability across blood vessels, an...

An activation of the vascular and neuronal KCNQ5 potassium channel contributes significantly to vasodilation by both green and black tea; the tea polyphenols ECG and EGCG are major contributors to this effect, via hyperpolarization of the voltage dependence of KCNQ5 activation; ECG and EGCG or optimized derivatives of these compounds are candidates for future anti-hypertensive drug development. Image credit: Sci-News.com.

Two Tea Compounds Found to Relax Blood Vessels

Mar 10, 2021 by News Staff

A team of researchers from the University of California, Irvine and the University of Copenhagen has found that two polyphenol compounds found in green...

In the two prospective cohorts with many repeated measurements of diet and up to 30 years of follow-up, Wang et al. observed that a higher intake of fruit and vegetables was associated with a lower risk of total mortality and cause-specific mortality; their analysis in the NHS and the HPFS and in a meta-analysis of 26 prospective cohort studies documented that intake of approximately 5 servings of fruits and vegetables daily was associated with the lowest mortality, and higher intake was not associated with additional risk reductions in mortality. Image credit: Julita / Pasja1000.

Fruit and Vegetable Consumption Could Lead to Longer Life

Mar 3, 2021 by News Staff

A team of U.S. researchers has found an inverse association between fruit and vegetable intake and mortality in two large prospective cohorts, the Nurses’...

Osteoclasts are large multinucleated bone-resorbing cells formed by the fusion of monocyte/macrophage-derived precursors that are thought to undergo apoptosis once resorption is complete; By intravital imaging, we reveal that RANKL-stimulated osteoclasts have an alternative cell fate in which they fission into daughter cells called osteomorphs. Image credit: McDonald et al., doi: 10.1016/j.cell.2021.02.002.

New Type of Bone Cell Discovered: Osteomorphs

Mar 2, 2021 by News Staff

Osteomorphs are found in the blood and bone marrow, and fuse together to form osteoclasts, the cells that are specialized in resorbing bone. Osteomorph...

This digitally colorized, scanning electron microscopic (SEM) image, depicts a clump of yellow-colored, spheroid shaped, Staphylococcus aureus bacteria that were enmeshed in a blue-colored, filamentous extracellular matrix, which normally binds cells together within the body’s various tissue types Image credit: National Institute of Allergy and Infectious Diseases.

Artificial Sweeteners May Play Role in Spread of Antibiotic Resistance

Feb 26, 2021 by News Staff

Four commonly used artificial sweeteners – saccharine, sucralose, aspartame, and acesulfame potassium — can promote the horizontal transfer...

Zhou & Hyppönen observed a positive dose-dependent association between self-reported coffee intake and plasma concentration of low-density-lipoprotein cholesterol, total cholesterol and apolipoprotein B, with the highest lipid levels seen among participants reported drinking over 6 cups/day. Image credit: Ermal Tahiri.

Heavy Coffee Consumption May Increase Cardiovascular Disease Risk

Feb 25, 2021 by News Staff

Long-term heavy coffee consumption (six or more cups a day) may lead to unfavourable lipid (fat) profile, which could potentially increase individuals’...

Lin et al. examined whether daily caffeine intake affects human gray matter through the mediation of homeostatic sleep pressure. Image credit: Bru-nO.

Daily Caffeine Intake Induces Changes in Gray Matter, Study Shows

Feb 24, 2021 by News Staff

Caffeine, a psychostimulant commonly used to combat high sleep pressure on a daily basis, alters gray matter structures; however, the effect appears to...

Quercetin and DHBA, natural compounds found in apples, are pro-neurogenic. Image credit: Ichwan et al., doi: 10.1016/j.stemcr.2021.01.005.

Apples Contain Pro-Neurogenic Compounds in Both Their Peel and Flesh: Study

Feb 18, 2021 by News Staff

Quercetin and 3,5-dihydroxybenzoic acid (DHBA), phytonutrients commonly found in apples, may help stimulate the production of new brain cells, according...

Zhao et al. provide insights into the mechanisms for EGCG’s anticancer activity and identifies p53 N-terminal domain as a target for cancer drug discovery through dynamic interactions with small molecules. Image credit: Sci-News.com.

Green Tea Compound Stabilizes ‘Guardian of the Genome’ Protein

Feb 17, 2021 by News Staff

Epigallocatechin-3-gallate (EGCG), a polyphenol found in the leaves of green tea (Camellia sinensis), may increase levels of the natural anti-cancer protein...

Drinking one or more cups of caffeinated coffee may reduce heart failure risk.

Coffee Consumption Reduces Incident Heart Failure Risk, New Research Suggests

Feb 15, 2021 by News Staff

Higher intake of caffeinated coffee was found to be associated with reduced risk of heart failure in three large, well-known heart disease studies: the...

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